28289817

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{2477}}^1$

素因数の和:2539

約数の個数: 24

約数和(自身を含む): 43295616

約数和(自身を除く): 15005799

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 2477, 3807, 7431, 11421, 22293, 66879, 116419, 200637, 349257, 601911, 1047771, 3143313, 9429939, 28289817]

約数ペア:

[(1, 28289817), (3, 9429939), (9, 3143313), (27, 1047771), (47, 601911), (81, 349257), (141, 200637), (243, 116419), (423, 66879), (1269, 22293), (2477, 11421), (3807, 7431)]